{"id":188,"date":"2026-03-26T13:46:29","date_gmt":"2026-03-26T05:46:29","guid":{"rendered":"https:\/\/codergodv.xyz\/?p=188"},"modified":"2026-03-26T13:46:30","modified_gmt":"2026-03-26T05:46:30","slug":"mysql%e8%a1%a8%e7%9a%84%e7%ba%a6%e6%9d%9f","status":"publish","type":"post","link":"https:\/\/codergodv.xyz\/index.php\/2026\/03\/26\/mysql%e8%a1%a8%e7%9a%84%e7%ba%a6%e6%9d%9f\/","title":{"rendered":"MySQL\u8868\u7684\u7ea6\u675f"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">MySQL\u8868\u7684\u7ea6\u675f<\/h2>\n\n\n\n<ul 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src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u521b\u5efa\u8868\u5b8c\u6bd5\u540e<a href=\"https:\/\/so.csdn.net\/so\/search?q=\u67e5\u770b\u8868\u7ed3\u6784&amp;spm=1001.2101.3001.7020\">\u67e5\u770b\u8868\u7ed3\u6784<\/a>\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u662f\u4e0d\u5141\u8bb8\u4e3a\u7a7a\u7684\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/71155a4093de4e02ab90bff9da3235a6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/71155a4093de4e02ab90bff9da3235a6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5411\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u65f6\u53ea\u6709\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u90fd\u4e0d\u4e3a\u7a7a\u65f6\u624d\u80fd\u63d2\u5165\u6210\u529f\uff0c\u5426\u5219\u5c06\u4f1a\u63d2\u5165\u5931\u8d25\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/bd8016f1683f47c4a3db5b6f7c776bac.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/bd8016f1683f47c4a3db5b6f7c776bac.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ed8\u8ba4\u503c<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u9ed8\u8ba4\u503c<\/p>\n<\/blockquote>\n\n\n\n<ul 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data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/7e388dd673c94704938d7b46ac9be313.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/7e388dd673c94704938d7b46ac9be313.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5411\u8868\u4e2d\u63d2\u5165\u6570\u636e\u65f6\uff0c\u5982\u679c\u4e0d\u6307\u660e\u7528\u6237\u7684\u5e74\u9f84\u6216\u6027\u522b\uff0c\u90a3\u4e48\u5c31\u4f1a\u4f7f\u7528\u5bf9\u5e94\u7684\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u6307\u660e\u4e86\u5c31\u4f1a\u4f7f\u7528\u7528\u6237\u6307\u5b9a\u7684\u503c\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/96e5084dc03f4247bc02a516562fe48d.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/96e5084dc03f4247bc02a516562fe48d.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u540c\u65f6\u8bbe\u7f6enot null\u548cdefault<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u65e6\u7ed9\u67d0\u4e00\u5b57\u6bb5\u8bbe\u7f6e\u4e86\u9ed8\u8ba4\u503c\uff0c\u90a3\u4e48\u8be5\u5b57\u6bb5\u5c06\u4e0d\u4f1a\u51fa\u73b0\u7a7a\u503c\uff0c\u56e0\u4e3a\u5c31\u7b97\u63d2\u5165\u6570\u636e\u65f6\u6ca1\u6709\u6307\u660e\u8be5\u5b57\u6bb5\u7684\u503c\uff0c\u4e5f\u4f1a\u4f7f\u7528\u8be5\u5b57\u6bb5\u7684\u9ed8\u8ba4\u503c\u8fdb\u884c\u586b\u5145\u3002<\/li>\n\n\n\n<li>\u800c\u7ed9\u67d0\u4e00\u5b57\u6bb5\u8bbe\u7f6enot null\u5c5e\u6027\u7684\u76ee\u7684\u662f\u7ea6\u675f\u8be5\u5b57\u6bb5\u4e0d\u80fd\u4e3a\u7a7a\uff0c\u56e0\u6b64\u4e00\u4e2a\u5b57\u6bb5\u8bbe\u7f6e\u4e86default\u5c5e\u6027\u540e\uff0c\u518d\u8bbe\u7f6enot null\u5c5e\u6027\u5c31\u6ca1\u6709\u610f\u4e49\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2aid\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u62ec\u59d3\u540d\u548cid\uff0c\u5c06id\u540c\u65f6\u8bbe\u7f6edefault\u548cnot null\u5c5e\u6027\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/466b14e2f7e4496d842c6debc32489c4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/466b14e2f7e4496d842c6debc32489c4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u521b\u5efa\u8868\u5b8c\u6bd5\u540e\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230id\u5b57\u6bb5\u662f\u4e0d\u5141\u8bb8\u4e3a\u7a7a\u7684\uff0c\u5e76\u4e14\u5176\u9ed8\u8ba4\u503c\u662f1\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/c791b4bf2e0a46b48774ca3294d96e12.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/c791b4bf2e0a46b48774ca3294d96e12.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u65f6\u5728\u5411\u8868\u4e2d\u63d2\u5165\u6570\u636e\u65f6\u53ef\u4ee5\u4e0d\u6307\u660eid\u8fdb\u884c\u63d2\u5165\uff0c\u6b64\u65f6\u4f1a\u4f7f\u7528id\u7684\u9ed8\u8ba4\u503c\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/4e26e8f5a2ea438ab9e77aac43023a0d.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/4e26e8f5a2ea438ab9e77aac43023a0d.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5217\u63cf\u8ff0<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5217\u63cf\u8ff0<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5217\u63cf\u8ff0\u662f\u5728\u521b\u5efa\u8868\u7684\u65f6\u5019\u7528\u6765\u5bf9\u5404\u4e2a\u5b57\u6bb5\u8fdb\u884c\u63cf\u8ff0\u7684\uff0c\u5217\u63cf\u8ff0\u4f1a\u6839\u636e\u8868\u521b\u5efa\u8bed\u53e5\u4fdd\u5b58\uff0c\u4e00\u822c\u662f\u7528\u6765\u7ed9\u7a0b\u5e8f\u5458\u6216DBA\u4e86\u89e3\u8868\u7684\u76f8\u5173\u4fe1\u606f\u7684\uff0c\u76f8\u5f53\u4e8e\u4e00\u79cd\u6ce8\u91ca\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u7528\u6237\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542b\u7528\u6237\u540d\u3001\u7528\u6237\u7684\u5e74\u9f84\u548c\u7528\u6237\u7684\u6027\u522b\uff0c\u5728\u6bcf\u4e00\u4e2a\u5b57\u6bb5\u540e\u9762\u6dfb\u52a0\u4e0a\u5bf9\u5e94\u7684\u5217\u63cf\u8ff0\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/c3db1876cbc640b7866a2c482ed883ad.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/c3db1876cbc640b7866a2c482ed883ad.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u521b\u5efa\u8868\u5b8c\u6bd5\u540e\uff0c\u901a\u8fc7<code>show create table \u8868\u540d<\/code>SQL\u53ef\u4ee5\u770b\u5230\u521b\u5efa\u8868\u65f6\u7684\u76f8\u5173\u7ec6\u8282\uff0c\u5305\u62ec\u5217\u63cf\u8ff0\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/b626de4b35cb42249509095bca90513e.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/b626de4b35cb42249509095bca90513e.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">zerofill<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>zerofill<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u503c\u7c7b\u578b\u540e\u9762\u7684\u5706\u62ec\u53f7\u4e2d\u7684\u6570\u5b57\uff0c\u4ee3\u8868\u7684\u662f\u663e\u793a\u5bbd\u5ea6\uff0c\u5bf9\u5e94\u6570\u503c\u7c7b\u578b\u8bbe\u7f6ezerofill\u5c5e\u6027\u540e\uff0c\u5982\u679c\u6570\u636e\u7684\u5bbd\u5ea6\u5c0f\u4e8e\u8bbe\u5b9a\u7684\u5bbd\u5ea6\u5219\u81ea\u52a8\u586b\u51450\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542ba\u548cb\u4e24\u5217\u6574\u578b\u6570\u636e\uff0c\u5c06\u5b83\u4eec\u7684\u663e\u793a\u5bbd\u5ea6\u90fd\u8bbe\u7f6e\u62105\uff0c\u4f46\u662f\u6ca1\u6709\u8bbe\u7f6ezerofill\u5c5e\u6027\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/24a01c77cbba4985b35f8dd5bf7daae9.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/24a01c77cbba4985b35f8dd5bf7daae9.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5411\u8868\u4e2d\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\uff0c\u6307\u660ea\u548cb\u7684\u503c\u5747\u4e3a1\uff0c\u7531\u4e8e\u6211\u4eec\u6ca1\u6709\u7ed9a\u548cb\u5b57\u6bb5\u8bbe\u7f6ezerofill\u5c5e\u6027\uff0c\u56e0\u6b64\u67e5\u770b\u8868\u4e2d\u6570\u636e\u65f6\u663e\u793a\u51fa\u6765\u7684\u90fd\u662f1\uff0c\u5e76\u6ca1\u6709\u663e\u793a\u5bbd\u5ea6\u7684\u6982\u5ff5\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/47dbfb8075914a298a57a979cd59ddf7.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/47dbfb8075914a298a57a979cd59ddf7.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u4fee\u6539\u8868\u7ed3\u6784\uff0c\u7ed9a\u5217\u6dfb\u52a0\u4e0azerofill\u5c5e\u6027\uff0c\u7531\u4e8ea\u5217\u6570\u636e\u7684\u663e\u793a\u5bbd\u5ea6\u4e3a5\uff0c\u56e0\u6b64\u67e5\u770b\u8868\u4e2d\u6570\u636e\u53ef\u4ee5\u770b\u5230a\u5217\u6570\u636e\u4e2d\u5bbd\u5ea6\u4e0d\u8db35\u4f4d\u7684\u6570\u636e\u90fd\u81ea\u52a8\u5728\u524d\u9762\u586b\u51450\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/ca49ad3178e9476186c5bf1c9aacb2e2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/ca49ad3178e9476186c5bf1c9aacb2e2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0czerofill\u5c5e\u6027\u7684\u4f5c\u7528\u5c31\u662f\u8ba9\u6570\u636e\u4ee5\u7279\u5b9a\u7684\u65b9\u5f0f\u8fdb\u884c\u663e\u793a\u800c\u5df2\uff0c\u6570\u636e\u5e95\u5c42\u7684\u50a8\u5b58\u65b9\u5f0f\u5e76\u6ca1\u6709\u53d1\u751f\u53d8\u5316\uff0c\u901a\u8fc7hex\u51fd\u6570\u53ef\u4ee5\u770b\u5230a\u5217\u4e2d\u663e\u793a\u768400001\u5728\u5e95\u5c42\u5b9e\u9645\u50a8\u5b58\u7684\u8fd8\u662f1\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/284fe7748a43437cb10757bcc06de5b4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/284fe7748a43437cb10757bcc06de5b4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3b\u952e<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e3b\u952e<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u5411\u8868\u5f53\u4e2d\u63d2\u5165\u4e00\u6761\u6761\u8bb0\u5f55\u540e\uff0c\u4e3a\u4e86\u65b9\u4fbf\u540e\u7eed\u8fdb\u884c\u67e5\u627e\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u5176\u4e2d\u7684\u67d0\u4e00\u5b57\u6bb5\u4f5c\u4e3a\u952e\u503ckey\uff0c\u5f53\u9700\u8981\u67e5\u627e\u8bb0\u5f55\u65f6\u5c31\u6839\u636e\u8fd9\u4e2a\u952e\u503ckey\u6765\u67e5\u627e\u5bf9\u5e94\u7684\u8bb0\u5f55\u3002<\/li>\n\n\n\n<li>\u4e3b\u952e\u7528\u6765\u552f\u4e00\u7684\u7ea6\u675f\u8be5\u5b57\u6bb5\u91cc\u9762\u7684\u6570\u636e\uff0c\u8868\u5f53\u4e2d\u6bcf\u6761\u8bb0\u5f55\u7684\u4e3b\u952e\u4e0d\u80fd\u91cd\u590d\u4e5f\u4e0d\u80fd\u4e3a\u7a7a\uff0c\u5e76\u4e14\u4e00\u5f20\u8868\u91cc\u9762\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u6b64\u5916\uff0c\u4e3b\u952e\u6240\u5728\u7684\u5217\u901a\u5e38\u662f\u6574\u6570\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u5b66\u751f\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542b\u5b66\u751f\u7684\u5b66\u53f7\u548c\u59d3\u540d\uff0c\u7531\u4e8e\u5b66\u751f\u7684\u5b66\u53f7\u662f\u4e0d\u4f1a\u91cd\u590d\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u6210\u4e3b\u952e\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/534c33acb6f34c91805d682dec1e7a11.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/534c33acb6f34c91805d682dec1e7a11.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u521b\u5efa\u8868\u6210\u529f\u540e\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230id\u5bf9\u5e94\u7684Key\u5217\u51fa\u73b0\u4e86PRI\uff0c\u8fd9\u8868\u793a\u6211\u4eec\u5df2\u7ecf\u6210\u529f\u5c06\u5b66\u53f7\u8bbe\u7f6e\u6210\u8fd9\u5f20\u8868\u7684\u4e3b\u952e\u4e86\u3002\u6b64\u5916\uff0c\u867d\u7136\u5728\u521b\u5efa\u8868\u7684\u65f6\u5019\u6ca1\u6709\u7ed9\u5b66\u53f7\u8bbe\u7f6enot null\u5c5e\u6027\uff0c\u4f46\u7531\u4e8e\u4e3b\u952e\u672c\u8eab\u5c31\u662f\u4e0d\u80fd\u4e3a\u7a7a\u7684\uff0c\u56e0\u6b64id\u9ed8\u8ba4\u4e5f\u5c31\u4e0d\u80fd\u4e3a\u7a7a\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/383971efaad84a239f67a54d9c877be6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/383971efaad84a239f67a54d9c877be6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u6240\u8c13\u7684<a href=\"https:\/\/so.csdn.net\/so\/search?q=\u4e3b\u952e\u7ea6\u675f&amp;spm=1001.2101.3001.7020\">\u4e3b\u952e\u7ea6\u675f<\/a>\u5c31\u662f\uff0c\u63d2\u5165\u8868\u4e2d\u7684\u8bb0\u5f55\u7684\u4e3b\u952e\u5b57\u6bb5\u4e0d\u80fd\u91cd\u590d\uff0c\u5982\u679c\u63d2\u5165\u8bb0\u5f55\u7684\u4e3b\u952e\u4e0e\u8868\u4e2d\u5df2\u6709\u8bb0\u5f55\u7684\u4e3b\u952e\u91cd\u590d\uff0c\u8fd9\u65f6\u5c31\u4f1a\u56e0\u4e3a\u4e3b\u952e\u51b2\u7a81\u800c\u63d2\u5165\u5931\u8d25\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/6a971413e04a495db1e8876c7149aa48.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/6a971413e04a495db1e8876c7149aa48.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u4f7f\u7528<code>alter table \u8868\u540d drop primary key<\/code>SQL\u5373\u53ef\u5220\u9664\u6307\u5b9a\u8868\u7684\u4e3b\u952e\uff0c\u56e0\u4e3a\u4e00\u4e2a\u8868\u53ea\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u56e0\u6b64\u5220\u9664\u4e3b\u952e\u65f6\u53ea\u7528\u6307\u660e\u8981\u5220\u9664\u54ea\u5f20\u8868\u7684\u4e3b\u952e\u5373\u53ef\u3002\u6bd4\u5982\u8fd9\u91cc\u5220\u9664\u5b66\u751f\u8868\u7684\u4e3b\u952e\u540e\u518d\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230id\u5bf9\u5e94\u7684Key\u5217\u7684PRI\u5df2\u7ecf\u6ca1\u6709\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/5ddcaa56aec54d6b81744e1cc50adba4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/5ddcaa56aec54d6b81744e1cc50adba4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u5df2\u7ecf\u521b\u5efa\u597d\u4e86\u7684\u8868\uff0c\u4f7f\u7528<code>alter table \u8868\u540d add primary key(\u5217\u540d)<\/code>SQL\u53ef\u4ee5\u7ed9\u6307\u5b9a\u5217\u8bbe\u7f6e\u6210\u4e3b\u952e\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53ea\u6709\u5217\u5f53\u4e2d\u7684\u503c\u4e0d\u4e3a\u7a7a\u5e76\u4e14\u4e0d\u91cd\u590d\u7684\u5217\u624d\u80fd\u88ab\u8bbe\u7f6e\u6210\u4e3b\u952e\u3002\u6bd4\u5982\u8fd9\u91cc\u91cd\u65b0\u5c06\u5b66\u53f7\u8bbe\u7f6e\u6210\u5b66\u751f\u8868\u7684\u4e3b\u952e\u540e\u518d\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230id\u5bf9\u5e94\u7684Key\u5217\u7684PRI\u53c8\u56de\u6765\u4e86\u3002\u5982\u4e0b\uff1a<br><img decoding=\"async\" src=\"https:\/\/cdn.codergodv.xyz\/e5b554e55c4e40808c7ce1ddc328d7e5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u590d\u5408\u4e3b\u952e<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u5f20\u8868\u91cc\u9762\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u4f46\u4e00\u4e2a\u4e3b\u952e\u53ef\u4ee5\u7531\u591a\u4e2a\u5b57\u6bb5\u6765\u627f\u62c5\uff0c\u8fd9\u79cd\u4e3b\u952e\u53eb\u505a\u590d\u5408\u4e3b\u952e\u3002<\/li>\n\n\n\n<li>\u590d\u5408\u4e3b\u952e\u7528\u6765\u552f\u4e00\u7ea6\u675f\u591a\u4e2a\u5b57\u6bb5\u91cc\u9762\u7684\u6570\u636e\uff0c\u8868\u5f53\u4e2d\u6bcf\u6761\u8bb0\u5f55\u7684\u8fd9\u591a\u4e2a\u5b57\u6bb5\u4e0d\u80fd\u540c\u65f6\u91cd\u590d\u4e5f\u4e0d\u80fd\u4e3a\u7a7a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u8fdb\u7a0b\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542b\u8fdb\u7a0b\u7684IP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u548c\u8fdb\u7a0b\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5e76\u5c06IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u7ec4\u5408\u8d77\u6765\u5f62\u6210\u4e00\u4e2a\u590d\u5408\u4e3b\u952e\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/4adf2af37ee24534977fd027a77ecc31.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/4adf2af37ee24534977fd027a77ecc31.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u8868\u521b\u5efa\u5b8c\u6bd5\u540e\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230ip\u548cport\u7684Key\u5217\u90fd\u6709PRI\u6807\u5fd7\uff0c\u5e76\u4e14\u5b83\u4eec\u90fd\u662f\u4e0d\u5141\u8bb8\u4e3a\u7a7a\u7684\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/3f7f6bc59435444d901d56e7561c7e48.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/3f7f6bc59435444d901d56e7561c7e48.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5728\u5411\u8fdb\u7a0b\u8868\u4e2d\u63d2\u5165\u6570\u636e\u65f6\uff0c\u53ea\u6709\u63d2\u5165\u8fdb\u7a0b\u7684IP\u548c\u7aef\u53e3\u5747\u51fa\u73b0\u51b2\u7a81\u65f6\u624d\u4f1a\u4ea7\u751f\u4e3b\u952e\u51b2\u7a81\uff0c\u5426\u5219\u5c31\u5141\u8bb8\u63d2\u5165\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/1aa2b8fb802f4e2eb454d910ecf333c2.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/1aa2b8fb802f4e2eb454d910ecf333c2.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u67e5\u770b\u8868\u4e2d\u63d2\u5165\u7684\u6570\u636e\u53ef\u4ee5\u770b\u5230\uff0c\u8868\u5f53\u4e2d\u6709\u91cd\u590d\u7684IP\u5730\u5740\uff0c\u4e5f\u6709\u91cd\u590d\u7684\u7aef\u53e3\u53f7\uff0c\u4f46\u662f\u4e0d\u4f1a\u51fa\u73b0IP\u548c\u7aef\u53e3\u5747\u91cd\u590d\u7684\uff0c\u8fd9\u5c31\u662f\u590d\u5408\u4e3b\u952e\u7684\u4f5c\u7528\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/675f8b8abe3d4b19bd63f057eb0fea94.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/675f8b8abe3d4b19bd63f057eb0fea94.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u4f7f\u7528<code>alter table \u8868\u540d drop primary key<\/code>SQL\u53ef\u4ee5\u5220\u9664\u6307\u5b9a\u8868\u7684\u590d\u5408\u4e3b\u952e\uff0c\u6bd4\u5982\u8fd9\u91cc\u5220\u9664\u8fdb\u7a0b\u8868\u7684\u590d\u5408\u4e3b\u952e\u540e\u518d\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230ip\u548cport\u5bf9\u5e94\u7684Key\u5217\u7684PRI\u90fd\u6ca1\u6709\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/87ae841f6a854128a8eb773de9b3cc58.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/87ae841f6a854128a8eb773de9b3cc58.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u5df2\u7ecf\u521b\u5efa\u597d\u4e86\u7684\u8868\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528<code>alter table \u8868\u540d add primary key(\u591a\u4e2a\u5217\u540d)<\/code>SQL\u7528\u591a\u4e2a\u5217\u5f62\u6210\u590d\u5408\u4e3b\u952e\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u88ab\u9009\u53d6\u7684\u591a\u4e2a\u5217\u5f53\u4e2d\u7684\u503c\u4e0d\u80fd\u4e3a\u7a7a\u5e76\u4e14\u4e0d\u80fd\u540c\u65f6\u51fa\u73b0\u91cd\u590d\u3002\u6bd4\u5982\u8fd9\u91cc\u91cd\u65b0\u5c06ip\u548cport\u8bbe\u7f6e\u6210\u8fdb\u7a0b\u8868\u7684\u590d\u5408\u4e3b\u952e\u540e\u518d\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230ip\u548cport\u5bf9\u5e94\u7684Key\u5217\u7684PRI\u53c8\u56de\u6765\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/089b20355f7e49fb8bf6541ebbf53f5a.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/089b20355f7e49fb8bf6541ebbf53f5a.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u589e\u957f<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u81ea\u589e\u957f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u4e86\u81ea\u589e\u957f\u5c5e\u6027\u7684\u5b57\u6bb5\uff0c\u63d2\u5165\u6570\u636e\u65f6\u5982\u679c\u4e0d\u7ed9\u8be5\u5b57\u6bb5\u503c\uff0c\u90a3\u4e48\u7cfb\u7edf\u4f1a\u81ea\u52a8\u627e\u51fa\u5f53\u524d\u5b57\u6bb5\u5f53\u4e2d\u5df2\u6709\u7684\u6700\u5927\u503c\uff0c\u5c06\u6700\u5927\u503c\u8fdb\u884c\u52a0\u4e00\u540e\u7684\u503c\u63d2\u5165\u8be5\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u4efb\u4f55\u4e00\u4e2a\u5b57\u6bb5\u8981\u505a\u81ea\u589e\u957f\uff0c\u524d\u63d0\u662f\u5176\u672c\u8eab\u5fc5\u987b\u662f\u4e00\u4e2a\u7d22\u5f15\uff08Key\u4e00\u680f\u6709\u503c\uff09\uff0c\u5e76\u4e14\u81ea\u589e\u957f\u5b57\u6bb5\u5fc5\u987b\u662f\u6570\u503c\u7c7b\u578b\uff0c\u4e00\u5f20\u8868\u6700\u591a\u53ea\u80fd\u6709\u4e00\u4e2a\u81ea\u589e\u957f\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u81ea\u589e\u957f\u901a\u5e38\u548c\u4e3b\u952e\u642d\u914d\u4f7f\u7528\uff0c\u4f5c\u4e3a\u903b\u8f91\u4e3b\u952e\u3002\u4e00\u822c\u800c\u8a00\uff0c\u5efa\u8bae\u5c06\u4e3b\u952e\u8bbe\u8ba1\u6210\u4e0e\u5f53\u524d\u4e1a\u52a1\u65e0\u5173\u7684\u5b57\u6bb5\uff0c\u907f\u514d\u56e0\u4e3a\u4e1a\u52a1\u903b\u8f91\u7684\u8c03\u6574\u800c\u9700\u8981\u4fee\u6539\u4e3b\u952e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542bid\u548cname\uff0c\u5c06id\u540c\u65f6\u8bbe\u7f6e\u6210\u4e3b\u952e\u548c\u81ea\u589e\u957f\u5b57\u6bb5\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/d436929deda64ae8af58b7988d4de6c3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/d436929deda64ae8af58b7988d4de6c3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u521b\u5efa\u8868\u5b8c\u6bd5\u540e\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230id\u7684Extra\u5217\u4e2d\u51fa\u73b0\u4e86auto_increment\u6807\u5fd7\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/cbe79dcdf7684c38a3ec1e2dc527ada7.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/cbe79dcdf7684c38a3ec1e2dc527ada7.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5411\u8868\u4e2d\u63d2\u5165\u7b2c\u4e00\u6761\u8bb0\u5f55\u65f6\u5982\u679c\u6ca1\u6709\u6307\u660e\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\uff0c\u90a3\u4e48\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\u9ed8\u8ba4\u5c06\u4f1a\u4ece1\u5f00\u59cb\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/3b288dd271294d508ad757f76ee86637.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/3b288dd271294d508ad757f76ee86637.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u540e\u7eed\u5411\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u65f6\u5982\u679c\u4e5f\u4e0d\u6307\u660e\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\uff0c\u90a3\u4e48\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\u5c31\u4f1a\u4f9d\u6b21\u9012\u589e\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/39674833675a4708a5389ecd5c1fb8cf.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/39674833675a4708a5389ecd5c1fb8cf.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u5f53\u7136\uff0c\u63d2\u5165\u8bb0\u5f55\u7684\u65f6\u5019\u4e5f\u53ef\u4ee5\u6307\u660e\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\uff0c\u6b64\u65f6\u5c06\u4f1a\u4f7f\u7528\u8be5\u503c\u8fdb\u884c\u63d2\u5165\uff0c\u4f46\u6ce8\u610f\u6307\u660e\u7684\u503c\u4e0d\u80fd\u548c\u8868\u4e2d\u5df2\u6709\u7684id\u503c\u91cd\u590d\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/4b2360b64eb44eb3b15fe513b9be8ccd.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/4b2360b64eb44eb3b15fe513b9be8ccd.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u540e\u5411\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u65f6\u5982\u679c\u53c8\u4e0d\u6307\u660e\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\uff0c\u90a3\u4e48\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\u5c06\u4f1a\u4eceid\u5217\u4e2d\u627e\u51fa\u6700\u5927\u503c\uff0c\u5c06\u6700\u5927\u503c\u52a0\u4e00\u540e\u5f97\u5230\u7684\u503c\u4f5c\u4e3a\u81ea\u589e\u957f\u5b57\u6bb5\u7684\u503c\u8fdb\u884c\u63d2\u5165\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/9045babaa303443e8e1c2b255732cd52.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/9045babaa303443e8e1c2b255732cd52.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong> \u4e00\u822c\u81ea\u589e\u957f\u5b57\u6bb5\u8bbe\u7f6e\u540e\u5c31\u4e0d\u9700\u8981\u624b\u52a8\u4e3a\u8be5\u5b57\u6bb5\u63d2\u5165\u503c\u4e86\uff0c\u76f4\u63a5\u8ba9\u5176\u4ece1\u5f00\u59cb\u8fdb\u884c\u81ea\u589e\u957f\u5373\u53ef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u552f\u4e00\u952e<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u552f\u4e00\u952e<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u5f20\u8868\u4e2d\u5f80\u5f80\u6709\u5f88\u591a\u5b57\u6bb5\u9700\u8981\u552f\u4e00\u6027\uff0c\u4f46\u4e00\u5f20\u8868\u4e2d\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b\u952e\uff0c\u800c\u552f\u4e00\u952e\u5c31\u53ef\u4ee5\u89e3\u51b3\u8868\u4e2d\u6709\u591a\u4e2a\u5b57\u6bb5\u9700\u8981\u552f\u4e00\u6027\u7ea6\u675f\u7684\u95ee\u9898\u3002<\/li>\n\n\n\n<li>\u552f\u4e00\u952e\u548c\u4e3b\u952e\u90fd\u80fd\u4fdd\u8bc1\u5b57\u6bb5\u4e2d\u6570\u636e\u7684\u552f\u4e00\u6027\uff0c\u4f46\u552f\u4e00\u952e\u5141\u8bb8\u5b57\u6bb5\u4e3a\u7a7a\uff0c\u5e76\u4e14\u53ef\u4ee5\u591a\u4e2a\u5b57\u6bb5\u4e3a\u7a7a\uff0c\u7a7a\u5b57\u6bb5\u4e0d\u505a\u552f\u4e00\u6027\u6bd4\u8f83\u3002<\/li>\n\n\n\n<li>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4e0d\u662f\u4e3b\u952e\u5177\u6709\u552f\u4e00\u6027\uff0c\u800c\u662f\u67d0\u4e2a\u5177\u6709\u552f\u4e00\u6027\u7684\u5b57\u6bb5\u88ab\u9009\u62e9\u6210\u4e3a\u4e86\u4e3b\u952e\uff0c\u800c\u90a3\u4e9b\u4e0d\u662f\u4e3b\u952e\u4f46\u662f\u540c\u6837\u9700\u8981\u552f\u4e00\u6027\u7ea6\u675f\u7684\u5b57\u6bb5\u5c31\u5e94\u8be5\u8bbe\u7f6e\u6210\u552f\u4e00\u952e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u521b\u5efa\u4e00\u4e2a\u5b66\u751f\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542b\u5b66\u751f\u7684id\u3001\u59d3\u540d\u548c\u7535\u8bdd\u53f7\u7801\uff0c\u5c06\u6211\u4eec\u9009\u62e9id\u4f5c\u4e3a\u4e3b\u952e\uff0c\u4f46\u540c\u65f6\u6bcf\u4e2a\u5b66\u751f\u7684\u7535\u8bdd\u53f7\u7801\u4e5f\u5e94\u8be5\u5177\u6709\u552f\u4e00\u6027\u7ea6\u675f\uff0c\u56e0\u6b64\u5e94\u8be5\u5c06\u7535\u8bdd\u53f7\u7801\u8bbe\u7f6e\u6210\u552f\u4e00\u952e\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/b5290c6bead947d6ac18b6f3355e958b.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/b5290c6bead947d6ac18b6f3355e958b.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/div><\/figure>\n\n\n\n<p>\u8868\u521b\u5efa\u5b8c\u6bd5\u540e\u67e5\u770b\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230tel\u7684Key\u5217\u51fa\u73b0\u4e86UNI\u6807\u5fd7\uff0c\u8fd9\u5c31\u8868\u660etel\u5df2\u7ecf\u6210\u529f\u88ab\u8bbe\u7f6e\u6210\u552f\u4e00\u952e\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530230501856.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530230501856.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530230501856\"\/><\/div><\/figure>\n\n\n\n<p>\u5411\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u65f6\uff0c\u5982\u679c\u63d2\u5165\u8bb0\u5f55\u4e2d\u7684\u7535\u8bdd\u53f7\u7801\u4e0e\u8868\u4e2d\u5df2\u6709\u8bb0\u5f55\u7684\u7535\u8bdd\u53f7\u7801\u51fa\u73b0\u91cd\u590d\uff0c\u90a3\u4e48\u5c31\u4f1a\u56e0\u4e3a\u552f\u4e00\u952e\u51b2\u7a81\u800c\u63d2\u5165\u5931\u8d25\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530230646995.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530230646995.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530230646995\"\/><\/div><\/figure>\n\n\n\n<p>\u6b64\u5916\uff0c\u5411\u8868\u4e2d\u63d2\u5165\u7684\u8bb0\u5f55\u53ef\u4ee5\u4e0d\u6307\u660e\u552f\u4e00\u952e\u5b57\u6bb5\u7684\u503c\uff0c\u6b64\u65f6\u8be5\u5b57\u6bb5\u9ed8\u8ba4\u4e3a\u7a7a\uff0c\u4e0d\u505a\u552f\u4e00\u6027\u6bd4\u8f83\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530231037961.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530231037961.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530231037961\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u952e<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u5916\u952e<\/p>\n<\/blockquote>\n\n\n\n<ul 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lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530232052621.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530232052621\"\/><\/div><\/figure>\n\n\n\n<p>\u518d\u521b\u5efa\u4e00\u4e2a\u5b66\u751f\u8868\u4f5c\u4e3a\u4ece\u8868\uff0c\u8868\u5f53\u4e2d\u5305\u542b\u5b66\u751f\u7684id\u3001\u59d3\u540d\u4ee5\u53ca\u5b66\u751f\u6240\u5728\u73ed\u7ea7\u5bf9\u5e94\u7684id\uff0c\u5e76\u5c06\u5b66\u751f\u8868\u4e2d\u7684\u73ed\u7ea7id\u5217\u8bbe\u7f6e\u6210\u5916\u952e\uff0c\u5173\u8054\u5230\u73ed\u7ea7\u8868\u4e2d\u7684\u73ed\u7ea7id\u5217\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530232408072.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530232408072.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530232408072\"\/><\/div><\/figure>\n\n\n\n<p>\u8868\u521b\u5efa\u5b8c\u6bd5\u540e\u67e5\u770b\u5b66\u751f\u8868\u7684\u8868\u7ed3\u6784\uff0c\u53ef\u4ee5\u770b\u5230\u5b66\u751f\u8868\u4e2d\u7684\u73ed\u7ea7id\u5bf9\u5e94\u7684Key\u5217\u51fa\u73b0\u4e86MUL\u6807\u5fd7\uff0c\u8fd9\u8868\u660eclass_id\u5df2\u7ecf\u6210\u529f\u88ab\u8bbe\u7f6e\u6210\u4e86\u5916\u952e\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530232650729.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530232650729.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530232650729\"\/><\/div><\/figure>\n\n\n\n<p>\u4e3a\u4e86\u6f14\u793a\u5916\u952e\u7ea6\u675f\uff0c\u6211\u4eec\u5148\u5411\u73ed\u7ea7\u8868\u4e2d\u63d2\u5165\u4e24\u6761\u8bb0\u5f55\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530232955649.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530232955649.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530232955649\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u65f6\u5411\u5b66\u751f\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u65f6\uff0c\u5982\u679c\u63d2\u5165\u7684\u8bb0\u5f55\u5bf9\u5e94\u7684\u73ed\u7ea7id\u662f\u73ed\u7ea7\u8868\u4e2d\u5b58\u5728\u7684\uff0c\u6216\u8005\u63d2\u5165\u7684\u73ed\u7ea7id\u4e3anull\uff0c\u90a3\u4e48\u6b64\u65f6\u662f\u5141\u8bb8\u8fdb\u884c\u63d2\u5165\u7684\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530233205856.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530233205856.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530233205856\"\/><\/div><\/figure>\n\n\n\n<p>\u4f46\u5982\u679c\u63d2\u5165\u5b66\u751f\u8868\u7684\u8bb0\u5f55\u5bf9\u5e94\u7684\u73ed\u7ea7id\u662f3\uff0c\u76f8\u5f53\u4e8e\u63d2\u5165\u5b66\u751f\u8868\u7684\u8fd9\u6761\u8bb0\u5f55\u5bf9\u5e94\u7684\u73ed\u7ea7\u5e76\u4e0d\u5b58\u5728\uff0c\u6b64\u65f6\u5c06\u4f1a\u63d2\u5165\u5931\u8d25\uff0c\u8fd9\u5c31\u662f\u5916\u952e\u7ea6\u675f\u3002<\/p>\n\n\n\n<p>\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530233417727.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530233417727.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530233417727\"\/><\/div><\/figure>\n\n\n\n<p>\u8fd9\u65f6\u5982\u679c\u5411\u73ed\u7ea7\u8868\u4e2d\u63d2\u5165\u73ed\u7ea7id\u4e3a3\u7684\u73ed\u7ea7\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5411\u5b66\u751f\u8868\u4e2d\u63d2\u5165\u4e0a\u8ff0\u8bb0\u5f55\uff0c\u8fd9\u65f6\u5c31\u5141\u8bb8\u63d2\u5165\u4e86\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/image-20230530233639547.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/image-20230530233639547.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20230530233639547\"\/><\/div><\/figure>\n\n\n\n<p><strong>\u8bf4\u660e\u4e00\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u6211\u4eec\u521b\u5efa\u73ed\u7ea7\u8868\u548c\u5b66\u751f\u8868\u540e\u5c31\u7b97\u4e0d\u8bbe\u7f6e\u5916\u952e\uff0c\u5728\u8bed\u4e49\u4e0a\u5176\u5b9e\u4e5f\u5df2\u7ecf\u6709\u4e86\u5916\u952e\uff0c\u4f46\u8fd9\u6837\u6211\u4eec\u6ca1\u529e\u6cd5\u4fdd\u8bc1\u540e\u7eed\u63d2\u5165\u5b66\u751f\u8868\u7684\u8bb0\u5f55\u4e2d\u7684\u73ed\u7ea7id\u7684\u6b63\u786e\u6027\u3002<\/li>\n\n\n\n<li>\u800c\u6211\u4eec\u7ed9\u5b66\u751f\u8868\u4e2d\u7684\u73ed\u7ea7id\u8bbe\u7f6e\u6210\u5916\u952e\u540e\uff0c\u5916\u952e\u7ea6\u675f\u5c31\u80fd\u4fdd\u8bc1\u53ea\u6709\u73ed\u7ea7id\u5728\u73ed\u7ea7\u8868\u4e2d\u5b58\u5728\u7684\u8bb0\u5f55\u624d\u80fd\u63d2\u5165\u5b66\u751f\u8868\uff0c\u5426\u5219\u5c31\u4f1a\u63d2\u5165\u5931\u8d25\u3002<\/li>\n\n\n\n<li>\u5b9e\u9645\u5efa\u7acb\u5916\u952e\u7684\u672c\u8d28\u5c31\u662f\u628a\u76f8\u5173\u6027\u4ea4\u7ed9MySQL\u53bb\u5ba1\u6838\u4e86\uff0c\u63d0\u524d\u544a\u8bc9MySQL\u8868\u4e4b\u95f4\u7684\u7ea6\u675f\u5173\u7cfb\uff0c\u5f53\u7528\u6237\u63d2\u5165\u4e0d\u7b26\u5408\u4e1a\u52a1\u903b\u8f91\u7684\u6570\u636e\u65f6\uff0cMySQL\u5c31\u4e0d\u5141\u8bb8\u4f60\u8fdb\u884c\u63d2\u5165\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7efc\u5408\u6848\u4f8b<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6848\u4f8b\u63cf\u8ff0<\/p>\n<\/blockquote>\n\n\n\n<p>\u6709\u4e00\u4e2a\u5546\u5e97\u7684\u6570\u636e\uff0c\u8bb0\u5f55\u5ba2\u6237\u53ca\u8d2d\u7269\u60c5\u51b5\uff0c\u7531\u4ee5\u4e0b\u4e09\u4e2a\u8868\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5546\u54c1\u8868goods\uff1a\u5546\u54c1\u7f16\u53f7goods_id\uff0c\u5546\u54c1\u540d\u79f0goods_name\uff0c\u5355\u4ef7unitprice\uff0c\u5546\u54c1\u7c7b\u522bcategory\uff0c\u4f9b\u5e94\u5546provider\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u8868customer\uff1a\u5ba2\u6237\u7f16\u53f7customer_id\uff0c\u59d3\u540dname\uff0c\u4f4f\u5740address\uff0c\u90ae\u7bb1email\uff0c\u6027\u522bsex\uff0c\u8eab\u4efd\u8bc1card_id\u3002<\/li>\n\n\n\n<li>\u8d2d\u4e70\u8868purchase\uff1a\u8ba2\u5355\u8868order_id\uff0c\u5ba2\u6237\u7f16\u53f7customer_id\uff0c\u5546\u54c1\u7f16\u53f7goods_id\uff0c\u8d2d\u4e70\u6570\u91cfnums\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8981\u6c42\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u4e3b\u952e\uff0c\u5916\u952e\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7684\u59d3\u540d\u4e0d\u80fd\u4e3a\u7a7a\u503c\u3002<\/li>\n\n\n\n<li>\u90ae\u7bb1\u4e0d\u80fd\u91cd\u590d\u3002<\/li>\n\n\n\n<li>\u5ba2\u6237\u7684\u6027\u522b\uff08\u7537\uff0c\u5973\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>SQL\u7f16\u5199<\/p>\n<\/blockquote>\n\n\n\n<p>\u9996\u5148\u6211\u4eec\u9700\u8981\u5148\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u7136\u540e\u5728\u8be5\u6570\u636e\u5e93\u4e2d\u5b8c\u6210\u8fd9\u4e09\u5f20\u8868\u7684\u521b\u5efa\u3002\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/5ae973774d3044aab1bdff322ff88007.png'><img class=\"lazyload lazyload-style-1\" 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